Test - Motion

Question 1

10. A 500N force is applied to a 25 m/s2 object. The mass of the object is?

Answer 1

20kg

Pg 21

Question 2

17. Consider a watermelon that starts from rest and is dropped straight down from a tall building, air resistance is ignored, which statement about the watermelons motion is FALSE
    A. The watermelon falls with a constant velocity
    B. After 2 seconds the velocity is 19.6 m/s
    C. The watermelon has a positive acceleration

Answer 2

A.

Pg19

Question 3

19. What is the net force in the block to the right

3N-> |_|

Answer 3

.5 Kg

Pg5

Question 4

31. Which law is : A net force acting in an object causes the object to accelerate in the direction of the net force

Answer 4

2nd Law

Pg22

Question 5

25. What is the law that states an object will move at a constant velocity unless an unbalanced force acts a pon it

Answer 5

1st law

6

Question 6

38b. B. What speed do all skydivers reach

What is this speed called

Answer 6

55 m/s
Terminal velocity
10